theman1717 theman1717

03-01-2017
Mathematics

contestada

I need help solving and checking algerbryically

I need help solving and checking algerbryically class=

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thimegan thimegan

03-01-2017

x-y=1 --> x=1+y
plug it into the first equation
3(1+y) + 2y = 8
3+3y+2y=8
5y=5
y=1
plug y into the equation to solve for x
x=1+y
x=1+1
x=2

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